模拟波浪破裂产生的油滴的特征尺寸分布参数
Arsalan Mostaani1, Tor Nordam2, Emlyn J Davies3
1Department of Physics, NTNU, Høgskoleringen 5, Trondheim, 7034, Norway.
Marine pollution bulletin
|February 15, 2026
概括
这项研究实验性地研究了波浪中的天然油分散. 结果显示,油滴大小强烈依赖于油滑块厚度,这对于改进漏油模型至关重要.
科学领域:
- 环境科学 环境科学
- 流体动力学 流体动力学
- 海洋学 海洋学 海洋学
背景情况:
- 自然分散是石油泄漏命运的一个关键过程.
- 了解液滴大小分布对于准确的石油泄漏建模至关重要.
研究的目的:
- 实验性地研究石油在波浪流中的自然分散.
- 为了确定油滑块厚度和滴滴大小分布之间的关系.
- 开发一种改进的模型,用于石油泄漏中早期滴滴大小的分布.
主要方法:
- 实验是在波浪流中进行的,波浪的厚度和波浪高度各不相同.
- 使用SilCam系统测量了油滴大小分布.
- 在两个地点进行了测量,波破裂后大约80秒.
主要成果:
- 基于体积的中位数滴滴大小 (d50v) 显示出明显的依赖于初始油厚度.
- 在波浪破裂后,随着时间的推移记录和分析了滴滴大小分布.
结论:
- 油滑块的厚度是影响分散的油滴大小的一个重要因素.
- 这些发现有助于提高石油泄漏模型的准确性.
- 开发了一种新的非维实证函数,用于暂时滴滴大小分布建模.
相关概念视频
Pore Size Distribution
501
In concrete, the pore size distribution significantly influences the material's properties. Capillary pores, markedly larger than gel pores, form a vast network within partially hydrated cement paste, reducing the concrete's strength and increasing its permeability. This heightened permeability leads to a greater risk of damage from environmental factors like freeze-thaw cycles and chemical attacks, with the extent of vulnerability also being tied to the water-to-cement ratio.
Adequate...
Adequate...
501
Typical Model Studies
643
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
643
Colloids
21.4K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
21.4K
Modeling and Similitude
656
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
656
Design Example: Creating a Hydraulic Model of a Dam Spillway
767
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
767
Wave Parameters
9.4K
The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
9.4K


